// 添加统一的返回结果方法
module.exports = function(req, res, next){
    res.sendResult = function(data,code,message) {
        var fmt = req.query.fmt ? req.query.fmt : "rest";
        if(fmt == "rest") {
            res.json(
                {
                    "data" : data,
                    "meta" : {
                        "msg" 		: message,
                        "status" 	: code
                    }
                });
        }
    };
    next();
}
